| 口算题. 0.125×16= | 3-1.06= | 0.6÷6= | 16.8-7= |
11- = | - = | 1.01×0.2×0.1= | 0.45×0= |
| 0÷125= | 9 -9.875= | 2 -0= | 0.1+0.2×0.3= |
+ ÷ + = | ÷3+ × = |
| 0.125×16=2, | 3-1.06=1.94, | 0.6÷6=0.1, | 16.8-7=9.8, |
11- =10 , | - = , | 1.01×0.2×0.1=0.0202, | 0.45×0=0, |
| 0÷125=0, | 9 -9.875=0, | 2 -0=2 , | 0.1+0.2×0.3=0.16, |
+ ÷ + =1 , | ÷3+ × = . |
,
,0.0202,0,0,0,2
,0.16,1
,
.分析:1.01×0.2×0.1按照从左到右的顺序计算;9
-9.875先把分数化成小数,再计算;0.1+0.2×0.3先算乘法,再算加法;
+
÷
+
先算除法,再算加法;
÷3+
×
先把除法变成乘法,然后运用乘法分配律简算;其它题目根据运算法则直接求解.点评:本题考查了基本的计算,注意运算的顺序以及小数点的位置.
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